CONTENTS. VU 



Page 

 americana). By P. L. Sclater, M.A., Ph.D., F.R.S., Secretary to 

 the Zoological Society of London 401 



LII. On the Existence of Hyalonema in a Fossil State. By Prof. 

 E. SuESS, of Vienna 404 



LHI. Notulse Lichenologicse. No. XI. By the Rev. W. A. 

 Leighton, B.A., F.L.S. — On the Examination and Rearrangement 

 of the Cladoniei, as tested by Hydrate of Potash 405 



LIV. On Ophiodes, a new Genus of Hydroida. By the Rev. 

 Thomas HiNCKS, B.A. (Plate XIV.) 421 



New Book: — Annuario della Societk dei Naturalisti in Modena. 



Anno I. Modena, Maggio 1866 423 



Notes on the Capture of a Rare Fish {Ausonia Cuvieri) at Falmouth, 

 by Dr. W. K. BuUmore and Jonathan Couch ; Additions to the 

 Zoophytes of Devonshire, by Edward Parfitt ; On the Use of the 

 Genus Potamogale, by Dr. J. E. Gray, F.R.S. &c. ; Note on 

 West- African Species of Hemirhamphus, by Dr. A. Giinther ; On 

 the Organs of Secretion in the Hemiptera, by J. Kiinckel ; Fos- 

 sil Spider from the Coal- Formation, by Dr. F. Roemer; On the 

 Course followed by a Fungous Mycelium in the Uving Trunk of 

 Acacia dealbata, by G. Gasparrini 424 — 428 



NUMBER CVIII. 



LV. On the Structure and Habits of Anthophysa Mulleri, Bory, 

 one of the Sedentary Monadiform Protozoa. By H. James-Clark, 

 A.B., B.S 429 



LVI. On two European ArgulidcB, with Remarks on the Morphology 

 of the Argulidoe and their Systematic Position, together with a Review 

 of the Species of the Family at present known. By T. Thorell ... 436 



LVII. A List of Spiders captured in the South-east Region of 

 Equatorial Africa ; with Descriptions of such Species as appear to be 

 new to Arachnologists. By John Blackwall, F.L.S 451 



LVIII. Additional Note on the Antilocapridce. By Dr. J. E. Gray, 

 F.R.S. &c 468 



LIX. On the Vision of Fishes and Amphibia. By Felix Plateau 469 



LX. Description of a new Siluroid Fish from Ceylon. By Dr. 

 Albert GiJNTHER. (Plate XV.) 473 



LXI. On an Upper Incisor of Nototherium Mitchellii, By Prof. 

 R. Owen, F.R.S. (Plate XVL) 475 



LXII. Notes on Spharion and Mallocera. By Francis P. 

 Pascoe, F.L.S., F.Z.S., late Pres. Ent. Soc, &c 477 



LXIII. Notes on Dr. Bowerbank's Paper on Hyalonema. By Dr. 

 J. E. Gray, F.R.S. &c 486 



LXIV. Venus's Flower-basket {Euplectella speciosa). By Dr. J. 

 Gray, F.R.S 487 



